From: Andiry Xu <andiry.xu@xxxxxxx>
Update sg tablesize as we can expand the ring now.
Signed-off-by: Andiry Xu <andiry.xu@xxxxxxx>
Signed-off-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx>
Tested-by: Paul Zimmerman <Paul.Zimmerman@xxxxxxxxxxxx>
---
drivers/usb/host/xhci.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index dec5b2d..f9f161f 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3968,7 +3968,8 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
int retval;
u32 temp;
- hcd->self.sg_tablesize = TRBS_PER_SEGMENT - 2;
+ /* Accept arbitrarily long scatter-gather lists */
+ hcd->self.sg_tablesize = ~0;
if (usb_hcd_is_primary_hcd(hcd)) {
xhci = kzalloc(sizeof(struct xhci_hcd), GFP_KERNEL);
--
1.7.9
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